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203820124668 = 223199241135401
BaseRepresentation
bin1011110111010010100…
…0000100100111111100
3201111002120112010101020
42331310220010213330
511314410422442133
6233344512344140
720503565321466
oct2756450044774
9644076463336
10203820124668
1179492168426
1233602b45050
13162b28b1684
149c175b1136
15547da180b3
hex2f74a049fc

203820124668 has 48 divisors (see below), whose sum is σ = 478181894400. Its totient is φ = 67568688000.

The previous prime is 203820124643. The next prime is 203820124687. The reversal of 203820124668 is 866421028302.

It is a super-2 number, since 2×2038201246682 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5739768 + ... + 5775168.

It is an arithmetic number, because the mean of its divisors is an integer number (9962122800).

Almost surely, 2203820124668 is an apocalyptic number.

It is an amenable number.

203820124668 is an abundant number, since it is smaller than the sum of its proper divisors (274361769732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203820124668 is a wasteful number, since it uses less digits than its factorization.

203820124668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38018 (or 38016 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 42.

The spelling of 203820124668 in words is "two hundred three billion, eight hundred twenty million, one hundred twenty-four thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 12 199 398 597 796 1194 2388 2411 4822 7233 9644 14466 28932 35401 70802 106203 141604 212406 424812 479789 959578 1439367 1919156 2878734 5757468 7044799 14089598 21134397 28179196 42268794 84537588 85351811 170703622 256055433 341407244 512110866 1024221732 16985010389 33970020778 50955031167 67940041556 101910062334 203820124668